Tornado outbreak possible in South with 30 million at risk of severe weather. Get the forecast. Chevron right

Walnut, CA

50° F
Location Chevron down
Location News Videos
Use Current Location
Recent

Walnut

California

50°
No results found.
Try searching for a city, zip code or point of interest.
settings
Walnut, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

Video

Podcasts

Winter Center

Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

7:03 AM

50°F
RealFeel® 52°
RealFeel Shade™ 52°
Air Quality Unhealthy
Wind ENE 2 mph
Wind Gusts 3 mph
Mostly cloudy More Details

Current Air Quality

Today

11/28

113
AQI

Unhealthy

Health effects can be immediately felt by sensitive groups. Healthy individuals may experience difficulty breathing and throat irritation with prolonged exposure. Limit outdoor activity.

Based on Current Pollutants

More Details

Learn more at Plumb Labs Logo

Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Health & Activities
See all
Tree Pollen
Low
The risk of tree pollen symptoms is low.
Ragweed Pollen
Low
The risk for ragweed pollen symptoms is low.
Mold
Moderate
The risk of mold allergy symptoms is moderate. Be sure to prevent mildew and indoor mold in your home's basement, bathrooms, and laundry room.
Grass Pollen
Low
The risk of grass pollen symptoms is low.
Dust & Dander
Moderate
The risk of dust and dander allergy symptoms is moderate. Closing your windows on windy days can help prevent outside dust or dander from getting into your home.
Arthritis
Moderate
The risk of experiencing weather-related arthritis pain is moderate. Stay hydrated and stretch to help avoid arthritis symptoms.
Sinus Pressure
Moderate
The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.
Common Cold
Low
The risk of catching a cold is low.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
Moderate
The risk of asthma symptoms is moderate.
Fishing
Good
Fishing conditions are good. Fishing in the early morning or dusk hours can help you get a catch.
Running
Ideal
Conditions for running are ideal.
Golf
Great
Conditions for golfing are great. Stay hydrated when spending time in the sun.
Biking & Cycling
Ideal
Conditions for cycling are ideal.
Beach & Pool
Good
Conditions for a day at the beach or pool are good. Be sure to wear sunscreen and UV-protective clothing when spending time outdoors.
Stargazing
Poor
Conditions for stargazing are poor.
Hiking
Ideal
Conditions for hiking are ideal. Plan your route with enough time to finish before sundown.
Lawn Mowing
Ideal
Conditions for lawn mowing are ideal. Try to water your grass at least one inch every week to keep it strong in case of a drought.
Composting
Fair
Composting conditions are fair. All materials you add should be shredded or broken into smaller pieces.
Outdoor Entertaining
Great
Conditions for outdoor entertaining will be great. Pay attention to the mosquito or pest forecast and prepare deterrents.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Great
Conditions for driving are great. Remain prepared for changing weather by tracking ongoing forecasts.
Mosquitos
Moderate
The risk for mosquito activity are moderate. Eliminate any standing water on your property where mosquitoes can breed.
Indoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near your home.
Outdoor Pests
Very High
The risk for pest activity is high. Consider insect bait to protect your lawn & gardens.
See all

TODAY’S WEATHER FORECAST

11/28
65°Hi
RealFeel® 64°
Low clouds, then some sun

TONIGHT’S WEATHER FORECAST

11/28
50°Lo
RealFeel® 48°
Partly cloudy

TOMORROW’S WEATHER FORECAST

11/29
66°/ 45°
RealFeel® 68°
Sunny to partly cloudy

Looking Ahead

Expect showery weather Thursday evening through Friday afternoon

Walnut Weather Radar

See Interactive Map
Walnut Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
See Interactive Map

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Podcasts

Winter Center

Top Stories

Severe Weather

Severe weather to threaten 25 million from Texas to Illinois

30 minutes ago

Weather News

Mauna Loa erupts, prompting ashfall advisories for Hawaii’s Big Island

41 minutes ago

Winter Weather

Storm with high winds, colder air to blast across Midwest, Northeast

4 hours ago

Severe Weather

Seven dead as Italian island hit by destructive landslide

4 hours ago

Hurricane

Hurricane Maria changed Puerto Rico. In a new exhibit, artists reflect...

2 days ago

 More Stories

Featured Topic

Hurricane Ian Survival Stories

Featured Stories

Qatar makes World Cup debut in a controversial tournament of firsts Terrifying video shows why snow squalls are so dangerous Kid exasperated by snow strikes chord with viewers around world
World North America United States California Walnut

Weather Near Walnut:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs Podcast RealFeel® and RealFeel Shade™
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Shop AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Weather Blogs Winter Weather
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs Podcast RealFeel® and RealFeel Shade™
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Shop AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Weather Blogs Winter Weather
© 2021 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | TAG Disclosure | Do Not Sell My Data checkmark Confirmed Not Selling Your Data

We have updated our Privacy Policy and Cookie Policy.

I Understand

Get AccuWeather alerts as they happen with our browser notifications.

Notifications Enabled

Thanks! We’ll keep you informed.

FEEDBACK